Home / 271,540.92-407,191.10-145,150.55

Finding the Fourth Proportional to 271,540.92, 407,191.10 and 145,150.55

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Solution

The fourth proportional to 271,540.92, 407,191.10 and 145,150.55 is: 217,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,540.92 : 407,191.10 = 145,150.55 : x
  2. Step 2: Convert to fraction form
    271,540.92/407,191.10 = 145,150.55/x
  3. Step 3: Cross multiply
    271,540.92x = 407,191.10 × 145,150.55
  4. Step 4: Simplify right side
    271,540.92x = 59,104,009,358.40
  5. Step 5: Solve for x
    x = 59,104,009,358.40/271,540.92
  6. Step 6: Final answer
    x = 217,661.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.